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Journal of Biological Sciences

Year: 2004 | Volume: 4 | Issue: 5 | Page No.: 631-636
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Authors

Abu Hena M.K.

O. Hshamuddin

K. Misri

F. Abdullah

K.K. Loo

Keywords

Research Article

Benthic Faunal Composition of Penaeus monodon Fabricius Culture Pond in West Coast of Peninsular Malaysia

Abu Hena M.K., O. Hshamuddin, K. Misri, F. Abdullah and K.K. Loo
The present study deals with the results on benthic faunal abundance and diversity of tiger shrimp P. monodon culture ponds in Perak, West coast of Peninsular Malaysia. To observe the abundance and composition of benthic organisms, sampling was carried out every three weeks interval throughout the culture period. In addition, observations on water temperature, dissolved oxygen, salinity, transparency, pH and organic matter of soil were also made. The major groups of macro-benthos comprised of gastropoda, foraminifera, polychaeta, bivalvia and insecta, whereas, meio-benthos comprised of harpecticoid copepoda, ostracoda, nematoda, gastropoda, foraminifera, bivalvia, insecta, crustacean nauplii and polychaeta. In macro-benthos, the abundance of different sizes of gastropoda increased throughout the culture duration which consists of 37-98.20% for <1 cm length, 1.80-61.50% for 1-2 cm length and 1.18-1.30% for >2 cm length. The other group of benthic organisms both in macro and meio-benthos decreased linearly with the culture period. The depletion symptom indicates that culture species may intensively prey upon the consumable (<0.5 cm in size) benthic fauna together with detritus and artificial diet or the pond bottom deterioration through uneaten feed, faeces and toxic gases may affects their abundance and composition.
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